Imported existing code

indra/lscript/lscript_execute_mono/assembly.cpp

@@ -0,0 +1,85 @@
+/**
+ * @file llassembly.cpp
+ * @brief keeps track of user scripts, ensures that only one copy exists for each
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ * 
+ * Copyright (c) 2007-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+
+#include "llassembly.h"
+#include <map>
+
+
+static std::map<std::string, LLAssembly*> sAssemblyMap;
+
+boost::intrusive_ptr<LLAssembly> LLAssembly::create(const std::string& name, 
+													const U8* buffer, U32 size)
+{
+	std::map<std::string, LLAssembly*>::iterator it = sAssemblyMap.find(name);
+	if (it != sAssemblyMap.end())
+	{
+		return it->second;
+	}
+	else
+	{
+		LLAssembly* a = new LLAssembly(name, buffer, size);
+		sAssemblyMap[name] = a;
+		return a;
+	}
+}
+
+
+LLAssembly::LLAssembly(const std::string &name, const U8* buffer, U32 size) : 
+	mName(name), mRefCount(0), mBuffer(buffer, buffer+size)
+{
+}
+
+LLAssembly::~LLAssembly() 
+{
+	std::map<std::string, LLAssembly*>::iterator it = sAssemblyMap.find(mName);
+	if (it != sAssemblyMap.end())
+	{
+		sAssemblyMap.erase(it);
+	}
+}
+
+
+void intrusive_ptr_add_ref(LLAssembly* p)
+{
+	++(p->mRefCount);
+}
+
+void intrusive_ptr_release(LLAssembly* p)
+{
+	if (0 == --(p->mRefCount))
+	{
+		delete p;
+	}
+}
+
+